canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <2009605@xxxxxxxxxxxxxxxxxx>]

Found flaky with Oracle VM.DenseIO2.8 With
B-oracle-5.4.0-1127.136~18.04.1, passed after retest

 Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/ioapic'
 BUILD_HEAD=b04954c9
 timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.pWgCVWL78F -smp 4 -cpu qemu64,+x2apic # -initrd /tmp/tmp.2x7KEOgRZP
 qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2]
 qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2]
 qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2]
 qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000001H:ECX.svm [bit 2]
 enabling apic
 smp: waiting for 3 APs
 enabling apic
 enabling apic
 setup: CPU 2 online
 setup: CPU 3 online
 enabling apic
 setup: CPU 1 online
 paging enabled
 cr0 = 80010011
 cr3 = 7ede000
 cr4 = 20
 x2apic enabled
 PASS: version register read only test
 PASS: id register only bits [24:27] writable
 PASS: arbitration register set by id
 PASS: arbtration register read only
 PASS: edge triggered intr
 PASS: level triggered intr
 PASS: ioapic simultaneous edge interrupts
 PASS: coalesce simultaneous level interrupts
 PASS: sequential level interrupts
 PASS: retriggered level interrupts without masking
 PASS: masked level interrupt
 PASS: unmasked level interrupt
 PASS: masked level interrupt
 PASS: unmasked level interrupt
 PASS: retriggered level interrupts with mask
 PASS: TMR for ioapic edge interrupts (expected false)
 PASS: TMR for ioapic level interrupts (expected false)
 PASS: TMR for ioapic level interrupts (expected true)
 PASS: TMR for ioapic edge interrupts (expected true)
 PASS: ioapic physical destination mode
 Unhandled exception 14 #PF at ip ffffffffffff0008
 PF at 0xffffffffffff0008 addr 0xffffffffffff0008
 error_code=0000      rflags=00010006      cs=00000008
 rax=0000000000000014 rcx=00000000000003fd rdx=00000000000003f8 rbx=0000000000000010
 rbp=000000000050fa58 rsi=000000000050f234 rdi=000000000050f234
  r8=000000000000000a  r9=00000000000003f8 r10=000000000000000d r11=0000000000000000
 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000
 cr0=00000000e0000011 cr2=ffffffffffff0008 cr3=000000000040d000 cr4=0000000000000020
 cr8=0000000000000000
 	STACK: @ffffffffffff0008 404e7f 2
 FAIL ioapic 

** Summary changed:

- ubuntu_kvm_unit_tests fails on ioapic for xenial:linux-hwe
+ ioapic from ubuntu_kvm_unit_tests flaky on some instances with Unhandled cpu exception 14 #PF at ip ffffffffffff0008

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https://bugs.launchpad.net/bugs/2009605

Title:
  ioapic from ubuntu_kvm_unit_tests flaky on some instances with
  Unhandled cpu exception 14 #PF at ip ffffffffffff0008

Status in ubuntu-kernel-tests:
  New

Bug description:
  This was seen in two different cycles and instances:

  SRU Cycle: 2023.01.30
  Series:	focal
  Package: linux-azure
  Version: 5.4.0-1104.110
  Cloud: azure
  Instance: Standard_D4_v4
  Region: westeurope
  Operation: sru

  SRU Cycle: 2023.02.27
  Series: xenial
  Package: linux-hwe
  Version: 4.15.0-207.218~16.04.1
  Cloud: metal
  Instance: rizzo
  Region: kernel
  Operation: sru

  Logs:

  Unhandled cpu exception 14 #PF at ip ffffffffffff0008
  PF at 0xffffffffffff0008 addr 0xffffffffffff0008
  error_code=0000      rflags=00010006      cs=00000008
  rax=0000000000000014 rcx=00000000000003fd rdx=00000000000003f8 rbx=0000000000000010
  rbp=000000000050f898 rsi=000000000050f074 rdi=000000000000000a
  r8=000000000050f074  r9=00000000000003f8 r10=000000000000000d r11=0000000000000000
  r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000
  cr0=00000000e0000011 cr2=ffffffffffff0008 cr3=000000000040d000 cr4=0000000000000020
  cr8=0000000000000000
  STACK: @ffffffffffff0008 404b7f 2
  FAIL ioapic

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